Home / 5,618.34-8,427.72-1,458.24

Finding the Fourth Proportional to 5,618.34, 8,427.72 and 1,458.24

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Solution

The fourth proportional to 5,618.34, 8,427.72 and 1,458.24 is: 2,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.34 : 8,427.72 = 1,458.24 : x
  2. Step 2: Convert to fraction form
    5,618.34/8,427.72 = 1,458.24/x
  3. Step 3: Cross multiply
    5,618.34x = 8,427.72 × 1,458.24
  4. Step 4: Simplify right side
    5,618.34x = 12,289,638.41
  5. Step 5: Solve for x
    x = 12,289,638.41/5,618.34
  6. Step 6: Final answer
    x = 2,187.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.